The aim of this study was to investigate the effects of aorta and heart tissues obtained from cattle and pigs on atherosclerosis disorders. Atherosclerosis model rats were provided with the respective diets consisting of aorta and heart tissues. Administration of each tissue suppressed body weight gain as compared to that of the control. In particular, the aorta tissues of pigs and cattle demonstrated significant suppressions in body weight gain in the model rats. The aorta tissues of pigs and cattle showed a significant increase and decrease in the serum high-density lipoproteins and atherogenic index, respectively, which was correlated with the increase in apolipoprotein A1. Hematological analysis revealed that aorta tissues of pigs and cattle clearly reduced the ratio of granulocytes/lymphocytes in the atherosclerosis rats. Serum vascular cellular adhesion molecule-1 levels in the atherosclerosis rats, which were administered these aorta tissues, were also significantly reduced. Additionally, there was an increase in von Willebrand factor in the rat serum. Based on the results obtained, the aorta tissues of pigs and cattle, in particular, demonstrated positive effects in the atherosclerosis rats due to the alteration of lipid metabolism and reduction in inflammation related to atherosclerosis.
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